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Changelog

All notable changes to this project will be documented in this file.

🚀 v1.1.0 (Current)

Released: 2025-06-14

🔧 General

  • Major robustness improvements across all similarity checkers.
  • Improved JSON report structure and UI transparency.
  • Exclusion of boilerplate files (e.g., next-env.d.ts) from scoring.
  • Added ROADMAP.md and CHANGELOG.md for better project transparency.
  • Full update of documentation and README.md to reflect new logic.
  • Switched to tree-sitter installation by wheel for easy cross-platform installation.

🧠 JS / TS

  • Deep AST-based comparison with identifier and literal normalization.
  • Call graph analysis with Jaccard similarity.
  • Tree-structured function body similarity scoring.
  • Penalization logic for unmatched files and individual functions.
  • Granular metric breakdown:
    • Function bodies
    • Imports/exports
    • Class declarations
    • Control flow structures
    • Call graphs

⚛️ JSX / TSX

  • Deep AST structure comparison for component trees.
  • Identifier/literal normalization.
  • Call graph and component body similarity analysis.
  • Penalization for unmatched components/files.

🧾 HTML

  • Improved DOM/AST-based structure comparison.
  • Penalization for unmatched files and major DOM differences.

🎨 CSS

  • Selector/property comparison with normalization of values (e.g., 10px vs 10.0px, #fff vs #ffffff).
  • Penalization logic for unmatched selectors and files.

🌈 Tailwind CSS

  • Jaccard and frequency-weighted similarity for extracted utility classes.
  • Penalization for unmatched utility class sets and missing Tailwind usage.

⚙️ Tailwind Config

  • Static key/value-based config comparison.
  • Shared/unique value detection.
  • Deep object diffing preparation for future enhancements.

📦 JSON Comparison

  • Added comparison for package.json and tsconfig.json files.
  • Boilerplate-aware logic: common dependencies (react, react-dom, next) and scripts (dev, build, start, lint) are excluded from key similarity checks.
  • Stricter meta field scoring: exact, normalized match for name, version, description, author; Jaccard for keywords.
  • Config file weighting: package.json is counted as 2 virtual files and tsconfig.json as 1 virtual file in the overall file-count-based average, but only if present. This ensures config files have a fair, proportional impact on the overall similarity score.
  • Weight reallocation: if a section is missing in both files, its weight is reallocated to dependencies for a more meaningful score.

🎉 v1.0.0 (First Release)

Released: 2025-06-10

🛠️ Features

  • Upload and extract two zipped frontend web project folders.
  • Automatic file matching using:
    • Exact name and path
    • Fuzzy filename similarity
    • Structure/content-based heuristics
  • Per-file-type analyzers:
    • HTML, CSS, JSX/TSX
    • Tailwind CSS class usage
    • Tailwind config matching
  • Similarity scoring engine:
    • Robust, weighted similarity metrics
    • Penalization for unmatched or renamed files
  • Reporting:
    • JSON output with matched/unmatched file map
    • UI view for report interpretation
  • Tree-sitter grammar support:
    • Prebuilt cross-platform binaries (Windows, Linux, macOS)
  • CI/CD automation for grammar and binary updates

📝 Notes

  • Each release will focus on a clear set of improvements, with backward-compatible updates where possible.
  • Bug fixes and edge-case improvements may result in minor version bumps (e.g., 1.1.1, 1.1.2).